278989890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{283}}^1\times {\mathrm{1933}}^1$

素因数の和:2243

約数の個数: 64

約数和(自身を含む): 711835776

約数和(自身を除く): 432845886

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 283, 510, 566, 849, 1415, 1698, 1933, 2830, 3866, 4245, 4811, 5799, 8490, 9622, 9665, 11598, 14433, 19330, 24055, 28866, 28995, 32861, 48110, 57990, 65722, 72165, 98583, 144330, 164305, 197166, 328610, 492915, 547039, 985830, 1094078, 1641117, 2735195, 3282234, 5470390, 8205585, 9299663, 16411170, 18599326, 27898989, 46498315, 55797978, 92996630, 139494945, 278989890]

約数ペア:

[(1, 278989890), (2, 139494945), (3, 92996630), (5, 55797978), (6, 46498315), (10, 27898989), (15, 18599326), (17, 16411170), (30, 9299663), (34, 8205585), (51, 5470390), (85, 3282234), (102, 2735195), (170, 1641117), (255, 1094078), (283, 985830), (510, 547039), (566, 492915), (849, 328610), (1415, 197166), (1698, 164305), (1933, 144330), (2830, 98583), (3866, 72165), (4245, 65722), (4811, 57990), (5799, 48110), (8490, 32861), (9622, 28995), (9665, 28866), (11598, 24055), (14433, 19330)]