196997560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{2011}}^1$

素因数の和:2132

約数の個数: 64

約数和(自身を含む): 463564800

約数和(自身を除く): 266567240

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 79, 124, 155, 158, 248, 310, 316, 395, 620, 632, 790, 1240, 1580, 2011, 2449, 3160, 4022, 4898, 8044, 9796, 10055, 12245, 16088, 19592, 20110, 24490, 40220, 48980, 62341, 80440, 97960, 124682, 158869, 249364, 311705, 317738, 498728, 623410, 635476, 794345, 1246820, 1270952, 1588690, 2493640, 3177380, 4924939, 6354760, 9849878, 19699756, 24624695, 39399512, 49249390, 98498780, 196997560]

約数ペア:

[(1, 196997560), (2, 98498780), (4, 49249390), (5, 39399512), (8, 24624695), (10, 19699756), (20, 9849878), (31, 6354760), (40, 4924939), (62, 3177380), (79, 2493640), (124, 1588690), (155, 1270952), (158, 1246820), (248, 794345), (310, 635476), (316, 623410), (395, 498728), (620, 317738), (632, 311705), (790, 249364), (1240, 158869), (1580, 124682), (2011, 97960), (2449, 80440), (3160, 62341), (4022, 48980), (4898, 40220), (8044, 24490), (9796, 20110), (10055, 19592), (12245, 16088)]