201745788980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{839}}^1\times {\mathrm{2999}}^1$

素因数の和:4077

約数の個数: 96

約数和(自身を含む): 448761600000

約数和(自身を除く): 247015811020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 211, 380, 422, 839, 844, 1055, 1678, 2110, 2999, 3356, 4009, 4195, 4220, 5998, 8018, 8390, 11996, 14995, 15941, 16036, 16780, 20045, 29990, 31882, 40090, 56981, 59980, 63764, 79705, 80180, 113962, 159410, 177029, 227924, 284905, 318820, 354058, 569810, 632789, 708116, 885145, 1139620, 1265578, 1770290, 2516161, 2531156, 3163945, 3363551, 3540580, 5032322, 6327890, 6727102, 10064644, 12022991, 12580805, 12655780, 13454204, 16817755, 24045982, 25161610, 33635510, 47807059, 48091964, 50323220, 60114955, 67271020, 95614118, 120229910, 191228236, 239035295, 240459820, 478070590, 530909971, 956141180, 1061819942, 2123639884, 2654549855, 5309099710, 10087289449, 10618199420, 20174578898, 40349157796, 50436447245, 100872894490, 201745788980]

約数ペア:

[(1, 201745788980), (2, 100872894490), (4, 50436447245), (5, 40349157796), (10, 20174578898), (19, 10618199420), (20, 10087289449), (38, 5309099710), (76, 2654549855), (95, 2123639884), (190, 1061819942), (211, 956141180), (380, 530909971), (422, 478070590), (839, 240459820), (844, 239035295), (1055, 191228236), (1678, 120229910), (2110, 95614118), (2999, 67271020), (3356, 60114955), (4009, 50323220), (4195, 48091964), (4220, 47807059), (5998, 33635510), (8018, 25161610), (8390, 24045982), (11996, 16817755), (14995, 13454204), (15941, 12655780), (16036, 12580805), (16780, 12022991), (20045, 10064644), (29990, 6727102), (31882, 6327890), (40090, 5032322), (56981, 3540580), (59980, 3363551), (63764, 3163945), (79705, 2531156), (80180, 2516161), (113962, 1770290), (159410, 1265578), (177029, 1139620), (227924, 885145), (284905, 708116), (318820, 632789), (354058, 569810)]