984987800

素因数分解:

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

素因数の和:2137

約数の個数: 96

約数和(自身を含む): 2395084800

約数和(自身を除く): 1410097000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 79, 100, 124, 155, 158, 200, 248, 310, 316, 395, 620, 632, 775, 790, 1240, 1550, 1580, 1975, 2011, 2449, 3100, 3160, 3950, 4022, 4898, 6200, 7900, 8044, 9796, 10055, 12245, 15800, 16088, 19592, 20110, 24490, 40220, 48980, 50275, 61225, 62341, 80440, 97960, 100550, 122450, 124682, 158869, 201100, 244900, 249364, 311705, 317738, 402200, 489800, 498728, 623410, 635476, 794345, 1246820, 1270952, 1558525, 1588690, 2493640, 3117050, 3177380, 3971725, 4924939, 6234100, 6354760, 7943450, 9849878, 12468200, 15886900, 19699756, 24624695, 31773800, 39399512, 49249390, 98498780, 123123475, 196997560, 246246950, 492493900, 984987800]

約数ペア:

[(1, 984987800), (2, 492493900), (4, 246246950), (5, 196997560), (8, 123123475), (10, 98498780), (20, 49249390), (25, 39399512), (31, 31773800), (40, 24624695), (50, 19699756), (62, 15886900), (79, 12468200), (100, 9849878), (124, 7943450), (155, 6354760), (158, 6234100), (200, 4924939), (248, 3971725), (310, 3177380), (316, 3117050), (395, 2493640), (620, 1588690), (632, 1558525), (775, 1270952), (790, 1246820), (1240, 794345), (1550, 635476), (1580, 623410), (1975, 498728), (2011, 489800), (2449, 402200), (3100, 317738), (3160, 311705), (3950, 249364), (4022, 244900), (4898, 201100), (6200, 158869), (7900, 124682), (8044, 122450), (9796, 100550), (10055, 97960), (12245, 80440), (15800, 62341), (16088, 61225), (19592, 50275), (20110, 48980), (24490, 40220)]