2055565540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{347}}^1$

素因数の和:530

約数の個数: 192

約数和(自身を含む): 5556418560

約数和(自身を除く): 3500853020

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 19, 20, 28, 34, 35, 38, 68, 70, 76, 85, 95, 119, 131, 133, 140, 170, 190, 238, 262, 266, 323, 340, 347, 380, 476, 524, 532, 595, 646, 655, 665, 694, 917, 1190, 1292, 1310, 1330, 1388, 1615, 1735, 1834, 2227, 2261, 2380, 2429, 2489, 2620, 2660, 3230, 3470, 3668, 4454, 4522, 4585, 4858, 4978, 5899, 6460, 6593, 6940, 8908, 9044, 9170, 9716, 9956, 11135, 11305, 11798, 12145, 12445, 13186, 15589, 17423, 18340, 22270, 22610, 23596, 24290, 24890, 26372, 29495, 31178, 32965, 34846, 41293, 42313, 44540, 45220, 45457, 46151, 48580, 49780, 58990, 62356, 65930, 69692, 77945, 82586, 84626, 87115, 90914, 92302, 112081, 117980, 131860, 155890, 165172, 169252, 174230, 181828, 184604, 206465, 211565, 224162, 227285, 230755, 296191, 311780, 318199, 348460, 412930, 423130, 448324, 454570, 461510, 560405, 592382, 636398, 772769, 784567, 825860, 846260, 863683, 909140, 923020, 1120810, 1184764, 1272796, 1480955, 1545538, 1569134, 1590995, 1727366, 2241620, 2961910, 3091076, 3138268, 3181990, 3454732, 3863845, 3922835, 4318415, 5409383, 5923820, 6045781, 6363980, 7727690, 7845670, 8636830, 10818766, 12091562, 14682611, 15455380, 15691340, 17273660, 21637532, 24183124, 27046915, 29365222, 30228905, 54093830, 58730444, 60457810, 73413055, 102778277, 108187660, 120915620, 146826110, 205556554, 293652220, 411113108, 513891385, 1027782770, 2055565540]

約数ペア:

[(1, 2055565540), (2, 1027782770), (4, 513891385), (5, 411113108), (7, 293652220), (10, 205556554), (14, 146826110), (17, 120915620), (19, 108187660), (20, 102778277), (28, 73413055), (34, 60457810), (35, 58730444), (38, 54093830), (68, 30228905), (70, 29365222), (76, 27046915), (85, 24183124), (95, 21637532), (119, 17273660), (131, 15691340), (133, 15455380), (140, 14682611), (170, 12091562), (190, 10818766), (238, 8636830), (262, 7845670), (266, 7727690), (323, 6363980), (340, 6045781), (347, 5923820), (380, 5409383), (476, 4318415), (524, 3922835), (532, 3863845), (595, 3454732), (646, 3181990), (655, 3138268), (665, 3091076), (694, 2961910), (917, 2241620), (1190, 1727366), (1292, 1590995), (1310, 1569134), (1330, 1545538), (1388, 1480955), (1615, 1272796), (1735, 1184764), (1834, 1120810), (2227, 923020), (2261, 909140), (2380, 863683), (2429, 846260), (2489, 825860), (2620, 784567), (2660, 772769), (3230, 636398), (3470, 592382), (3668, 560405), (4454, 461510), (4522, 454570), (4585, 448324), (4858, 423130), (4978, 412930), (5899, 348460), (6460, 318199), (6593, 311780), (6940, 296191), (8908, 230755), (9044, 227285), (9170, 224162), (9716, 211565), (9956, 206465), (11135, 184604), (11305, 181828), (11798, 174230), (12145, 169252), (12445, 165172), (13186, 155890), (15589, 131860), (17423, 117980), (18340, 112081), (22270, 92302), (22610, 90914), (23596, 87115), (24290, 84626), (24890, 82586), (26372, 77945), (29495, 69692), (31178, 65930), (32965, 62356), (34846, 58990), (41293, 49780), (42313, 48580), (44540, 46151), (45220, 45457)]