21701878850

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^2\times {\mathrm{1181}}^1$

素因数の和:1293

約数の個数: 144

約数和(自身を含む): 45957862080

約数和(自身を除く): 24255983230

約数列:

[1, 2, 5, 10, 19, 23, 25, 29, 38, 46, 50, 58, 95, 115, 145, 190, 230, 290, 437, 475, 551, 575, 667, 725, 841, 874, 950, 1102, 1150, 1181, 1334, 1450, 1682, 2185, 2362, 2755, 3335, 4205, 4370, 5510, 5905, 6670, 8410, 10925, 11810, 12673, 13775, 15979, 16675, 19343, 21025, 21850, 22439, 25346, 27163, 27550, 29525, 31958, 33350, 34249, 38686, 42050, 44878, 54326, 59050, 63365, 68498, 79895, 96715, 112195, 126730, 135815, 159790, 171245, 193430, 224390, 271630, 316825, 342490, 367517, 399475, 483575, 516097, 560975, 633650, 650731, 679075, 735034, 787727, 798950, 856225, 967150, 993221, 1032194, 1121950, 1301462, 1358150, 1575454, 1712450, 1837585, 1986442, 2580485, 3253655, 3675170, 3938635, 4966105, 5160970, 6507310, 7877270, 9187925, 9932210, 12902425, 14966813, 16268275, 18375850, 18871199, 19693175, 22844083, 24830525, 25804850, 29933626, 32536550, 37742398, 39386350, 45688166, 49661050, 74834065, 94355995, 114220415, 149668130, 188711990, 228440830, 374170325, 434037577, 471779975, 571102075, 748340650, 868075154, 943559950, 1142204150, 2170187885, 4340375770, 10850939425, 21701878850]

約数ペア:

[(1, 21701878850), (2, 10850939425), (5, 4340375770), (10, 2170187885), (19, 1142204150), (23, 943559950), (25, 868075154), (29, 748340650), (38, 571102075), (46, 471779975), (50, 434037577), (58, 374170325), (95, 228440830), (115, 188711990), (145, 149668130), (190, 114220415), (230, 94355995), (290, 74834065), (437, 49661050), (475, 45688166), (551, 39386350), (575, 37742398), (667, 32536550), (725, 29933626), (841, 25804850), (874, 24830525), (950, 22844083), (1102, 19693175), (1150, 18871199), (1181, 18375850), (1334, 16268275), (1450, 14966813), (1682, 12902425), (2185, 9932210), (2362, 9187925), (2755, 7877270), (3335, 6507310), (4205, 5160970), (4370, 4966105), (5510, 3938635), (5905, 3675170), (6670, 3253655), (8410, 2580485), (10925, 1986442), (11810, 1837585), (12673, 1712450), (13775, 1575454), (15979, 1358150), (16675, 1301462), (19343, 1121950), (21025, 1032194), (21850, 993221), (22439, 967150), (25346, 856225), (27163, 798950), (27550, 787727), (29525, 735034), (31958, 679075), (33350, 650731), (34249, 633650), (38686, 560975), (42050, 516097), (44878, 483575), (54326, 399475), (59050, 367517), (63365, 342490), (68498, 316825), (79895, 271630), (96715, 224390), (112195, 193430), (126730, 171245), (135815, 159790)]