2918361940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{227}}^1\times {\mathrm{251}}^1$

素因数の和:697

約数の個数: 96

約数和(自身を含む): 6689257344

約数和(自身を除く): 3770895404

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 197, 227, 251, 260, 394, 454, 502, 788, 908, 985, 1004, 1135, 1255, 1970, 2270, 2510, 2561, 2951, 3263, 3940, 4540, 5020, 5122, 5902, 6526, 10244, 11804, 12805, 13052, 14755, 16315, 25610, 29510, 32630, 44719, 49447, 51220, 56977, 59020, 65260, 89438, 98894, 113954, 178876, 197788, 223595, 227908, 247235, 284885, 447190, 494470, 569770, 581347, 642811, 740701, 894380, 988940, 1139540, 1162694, 1285622, 1481402, 2325388, 2571244, 2906735, 2962804, 3214055, 3703505, 5813470, 6428110, 7407010, 11224469, 11626940, 12856220, 14814020, 22448938, 44897876, 56122345, 112244690, 145918097, 224489380, 291836194, 583672388, 729590485, 1459180970, 2918361940]

約数ペア:

[(1, 2918361940), (2, 1459180970), (4, 729590485), (5, 583672388), (10, 291836194), (13, 224489380), (20, 145918097), (26, 112244690), (52, 56122345), (65, 44897876), (130, 22448938), (197, 14814020), (227, 12856220), (251, 11626940), (260, 11224469), (394, 7407010), (454, 6428110), (502, 5813470), (788, 3703505), (908, 3214055), (985, 2962804), (1004, 2906735), (1135, 2571244), (1255, 2325388), (1970, 1481402), (2270, 1285622), (2510, 1162694), (2561, 1139540), (2951, 988940), (3263, 894380), (3940, 740701), (4540, 642811), (5020, 581347), (5122, 569770), (5902, 494470), (6526, 447190), (10244, 284885), (11804, 247235), (12805, 227908), (13052, 223595), (14755, 197788), (16315, 178876), (25610, 113954), (29510, 98894), (32630, 89438), (44719, 65260), (49447, 59020), (51220, 56977)]