2948905380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{199}}^1\times {\mathrm{257}}^1$

素因数の和:530

約数の個数: 144

約数和(自身を含む): 8608118400

約数和(自身を除く): 5659213020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 199, 257, 310, 372, 398, 465, 514, 597, 620, 771, 796, 930, 961, 995, 1028, 1194, 1285, 1542, 1860, 1922, 1990, 2388, 2570, 2883, 2985, 3084, 3844, 3855, 3980, 4805, 5140, 5766, 5970, 6169, 7710, 7967, 9610, 11532, 11940, 12338, 14415, 15420, 15934, 18507, 19220, 23901, 24676, 28830, 30845, 31868, 37014, 39835, 47802, 51143, 57660, 61690, 74028, 79670, 92535, 95604, 102286, 119505, 123380, 153429, 159340, 185070, 191239, 204572, 239010, 246977, 255715, 306858, 370140, 382478, 478020, 493954, 511430, 573717, 613716, 740931, 764956, 767145, 956195, 987908, 1022860, 1147434, 1234885, 1481862, 1534290, 1585433, 1912390, 2294868, 2469770, 2868585, 2963724, 3068580, 3170866, 3704655, 3824780, 4756299, 4939540, 5737170, 6341732, 7409310, 7927165, 9512598, 11474340, 14818620, 15854330, 19025196, 23781495, 31708660, 47562990, 49148423, 95125980, 98296846, 147445269, 196593692, 245742115, 294890538, 491484230, 589781076, 737226345, 982968460, 1474452690, 2948905380]

約数ペア:

[(1, 2948905380), (2, 1474452690), (3, 982968460), (4, 737226345), (5, 589781076), (6, 491484230), (10, 294890538), (12, 245742115), (15, 196593692), (20, 147445269), (30, 98296846), (31, 95125980), (60, 49148423), (62, 47562990), (93, 31708660), (124, 23781495), (155, 19025196), (186, 15854330), (199, 14818620), (257, 11474340), (310, 9512598), (372, 7927165), (398, 7409310), (465, 6341732), (514, 5737170), (597, 4939540), (620, 4756299), (771, 3824780), (796, 3704655), (930, 3170866), (961, 3068580), (995, 2963724), (1028, 2868585), (1194, 2469770), (1285, 2294868), (1542, 1912390), (1860, 1585433), (1922, 1534290), (1990, 1481862), (2388, 1234885), (2570, 1147434), (2883, 1022860), (2985, 987908), (3084, 956195), (3844, 767145), (3855, 764956), (3980, 740931), (4805, 613716), (5140, 573717), (5766, 511430), (5970, 493954), (6169, 478020), (7710, 382478), (7967, 370140), (9610, 306858), (11532, 255715), (11940, 246977), (12338, 239010), (14415, 204572), (15420, 191239), (15934, 185070), (18507, 159340), (19220, 153429), (23901, 123380), (24676, 119505), (28830, 102286), (30845, 95604), (31868, 92535), (37014, 79670), (39835, 74028), (47802, 61690), (51143, 57660)]