305401820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{421}}^1$

素因数の和:555

約数の個数: 96

約数和(自身を含む): 714631680

約数和(自身を除く): 409229860

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 83, 92, 95, 115, 166, 190, 230, 332, 380, 415, 421, 437, 460, 830, 842, 874, 1577, 1660, 1684, 1748, 1909, 2105, 2185, 3154, 3818, 4210, 4370, 6308, 7636, 7885, 7999, 8420, 8740, 9545, 9683, 15770, 15998, 19090, 19366, 31540, 31996, 34943, 36271, 38180, 38732, 39995, 48415, 69886, 72542, 79990, 96830, 139772, 145084, 159980, 174715, 181355, 183977, 193660, 349430, 362710, 367954, 663917, 698860, 725420, 735908, 803689, 919885, 1327834, 1607378, 1839770, 2655668, 3214756, 3319585, 3679540, 4018445, 6639170, 8036890, 13278340, 15270091, 16073780, 30540182, 61080364, 76350455, 152700910, 305401820]

約数ペア:

[(1, 305401820), (2, 152700910), (4, 76350455), (5, 61080364), (10, 30540182), (19, 16073780), (20, 15270091), (23, 13278340), (38, 8036890), (46, 6639170), (76, 4018445), (83, 3679540), (92, 3319585), (95, 3214756), (115, 2655668), (166, 1839770), (190, 1607378), (230, 1327834), (332, 919885), (380, 803689), (415, 735908), (421, 725420), (437, 698860), (460, 663917), (830, 367954), (842, 362710), (874, 349430), (1577, 193660), (1660, 183977), (1684, 181355), (1748, 174715), (1909, 159980), (2105, 145084), (2185, 139772), (3154, 96830), (3818, 79990), (4210, 72542), (4370, 69886), (6308, 48415), (7636, 39995), (7885, 38732), (7999, 38180), (8420, 36271), (8740, 34943), (9545, 31996), (9683, 31540), (15770, 19366), (15998, 19090)]