402851200

素因数分解:

$2^7\times 5^2\times {\mathrm{31}}^2\times {\mathrm{131}}^1$

素因数の和:217

約数の個数: 144

約数和(自身を含む): 1036155780

約数和(自身を除く): 633304580

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 131, 155, 160, 200, 248, 262, 310, 320, 400, 496, 524, 620, 640, 655, 775, 800, 961, 992, 1048, 1240, 1310, 1550, 1600, 1922, 1984, 2096, 2480, 2620, 3100, 3200, 3275, 3844, 3968, 4061, 4192, 4805, 4960, 5240, 6200, 6550, 7688, 8122, 8384, 9610, 9920, 10480, 12400, 13100, 15376, 16244, 16768, 19220, 19840, 20305, 20960, 24025, 24800, 26200, 30752, 32488, 38440, 40610, 41920, 48050, 49600, 52400, 61504, 64976, 76880, 81220, 83840, 96100, 99200, 101525, 104800, 123008, 125891, 129952, 153760, 162440, 192200, 203050, 209600, 251782, 259904, 307520, 324880, 384400, 406100, 419200, 503564, 519808, 615040, 629455, 649760, 768800, 812200, 1007128, 1258910, 1299520, 1537600, 1624400, 2014256, 2517820, 2599040, 3075200, 3147275, 3248800, 4028512, 5035640, 6294550, 6497600, 8057024, 10071280, 12589100, 12995200, 16114048, 20142560, 25178200, 40285120, 50356400, 80570240, 100712800, 201425600, 402851200]

約数ペア:

[(1, 402851200), (2, 201425600), (4, 100712800), (5, 80570240), (8, 50356400), (10, 40285120), (16, 25178200), (20, 20142560), (25, 16114048), (31, 12995200), (32, 12589100), (40, 10071280), (50, 8057024), (62, 6497600), (64, 6294550), (80, 5035640), (100, 4028512), (124, 3248800), (128, 3147275), (131, 3075200), (155, 2599040), (160, 2517820), (200, 2014256), (248, 1624400), (262, 1537600), (310, 1299520), (320, 1258910), (400, 1007128), (496, 812200), (524, 768800), (620, 649760), (640, 629455), (655, 615040), (775, 519808), (800, 503564), (961, 419200), (992, 406100), (1048, 384400), (1240, 324880), (1310, 307520), (1550, 259904), (1600, 251782), (1922, 209600), (1984, 203050), (2096, 192200), (2480, 162440), (2620, 153760), (3100, 129952), (3200, 125891), (3275, 123008), (3844, 104800), (3968, 101525), (4061, 99200), (4192, 96100), (4805, 83840), (4960, 81220), (5240, 76880), (6200, 64976), (6550, 61504), (7688, 52400), (8122, 49600), (8384, 48050), (9610, 41920), (9920, 40610), (10480, 38440), (12400, 32488), (13100, 30752), (15376, 26200), (16244, 24800), (16768, 24025), (19220, 20960), (19840, 20305)]