20189322950

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^2\times {\mathrm{97}}^1$

素因数の和:319

約数の個数: 144

約数和(自身を含む): 41478907680

約数和(自身を除く): 21289584730

約数列:

[1, 2, 5, 10, 23, 25, 29, 46, 50, 58, 79, 97, 115, 145, 158, 194, 230, 290, 395, 485, 575, 667, 725, 790, 970, 1150, 1334, 1450, 1817, 1975, 2231, 2291, 2425, 2813, 3335, 3634, 3950, 4462, 4582, 4850, 5626, 6241, 6670, 7663, 9085, 11155, 11455, 12482, 14065, 15326, 16675, 18170, 22310, 22910, 28130, 31205, 33350, 38315, 45425, 52693, 55775, 57275, 62410, 64699, 70325, 76630, 90850, 105386, 111550, 114550, 129398, 140650, 143543, 156025, 176249, 180989, 191575, 222227, 263465, 287086, 312050, 323495, 352498, 361978, 383150, 444454, 526930, 605377, 646990, 717715, 881245, 904945, 1111135, 1210754, 1317325, 1435430, 1617475, 1762490, 1809890, 2222270, 2634650, 3026885, 3234950, 3588575, 4162747, 4406225, 4524725, 5111221, 5555675, 6053770, 7177150, 8325494, 8812450, 9049450, 10222442, 11111350, 13923671, 15134425, 17555933, 20813735, 25556105, 27847342, 30268850, 35111866, 41627470, 51112210, 69618355, 87779665, 104068675, 127780525, 139236710, 175559330, 208137350, 255561050, 348091775, 403786459, 438898325, 696183550, 807572918, 877796650, 2018932295, 4037864590, 10094661475, 20189322950]

約数ペア:

[(1, 20189322950), (2, 10094661475), (5, 4037864590), (10, 2018932295), (23, 877796650), (25, 807572918), (29, 696183550), (46, 438898325), (50, 403786459), (58, 348091775), (79, 255561050), (97, 208137350), (115, 175559330), (145, 139236710), (158, 127780525), (194, 104068675), (230, 87779665), (290, 69618355), (395, 51112210), (485, 41627470), (575, 35111866), (667, 30268850), (725, 27847342), (790, 25556105), (970, 20813735), (1150, 17555933), (1334, 15134425), (1450, 13923671), (1817, 11111350), (1975, 10222442), (2231, 9049450), (2291, 8812450), (2425, 8325494), (2813, 7177150), (3335, 6053770), (3634, 5555675), (3950, 5111221), (4462, 4524725), (4582, 4406225), (4850, 4162747), (5626, 3588575), (6241, 3234950), (6670, 3026885), (7663, 2634650), (9085, 2222270), (11155, 1809890), (11455, 1762490), (12482, 1617475), (14065, 1435430), (15326, 1317325), (16675, 1210754), (18170, 1111135), (22310, 904945), (22910, 881245), (28130, 717715), (31205, 646990), (33350, 605377), (38315, 526930), (45425, 444454), (52693, 383150), (55775, 361978), (57275, 352498), (62410, 323495), (64699, 312050), (70325, 287086), (76630, 263465), (90850, 222227), (105386, 191575), (111550, 180989), (114550, 176249), (129398, 156025), (140650, 143543)]