1995451250

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1$

素因数の和:358

約数の個数: 160

約数和(自身を含む): 4440078720

約数和(自身を除く): 2444627470

約数列:

[1, 2, 5, 10, 13, 19, 23, 25, 26, 38, 46, 50, 65, 95, 115, 125, 130, 190, 230, 247, 250, 281, 299, 325, 437, 475, 494, 562, 575, 598, 625, 650, 874, 950, 1150, 1235, 1250, 1405, 1495, 1625, 2185, 2375, 2470, 2810, 2875, 2990, 3250, 3653, 4370, 4750, 5339, 5681, 5750, 6175, 6463, 7025, 7306, 7475, 8125, 10678, 10925, 11362, 11875, 12350, 12926, 14050, 14375, 14950, 16250, 18265, 21850, 23750, 26695, 28405, 28750, 30875, 32315, 35125, 36530, 37375, 53390, 54625, 56810, 61750, 64630, 69407, 70250, 74750, 84019, 91325, 109250, 122797, 133475, 138814, 142025, 154375, 161575, 168038, 175625, 182650, 186875, 245594, 266950, 273125, 284050, 308750, 323150, 347035, 351250, 373750, 420095, 456625, 546250, 613985, 667375, 694070, 710125, 807875, 840190, 913250, 1227970, 1334750, 1420250, 1596361, 1615750, 1735175, 2100475, 2283125, 3069925, 3192722, 3336875, 3470350, 3550625, 4039375, 4200950, 4566250, 6139850, 6673750, 7101250, 7981805, 8078750, 8675875, 10502375, 15349625, 15963610, 17351750, 21004750, 30699250, 39909025, 43379375, 52511875, 76748125, 79818050, 86758750, 105023750, 153496250, 199545125, 399090250, 997725625, 1995451250]

約数ペア:

[(1, 1995451250), (2, 997725625), (5, 399090250), (10, 199545125), (13, 153496250), (19, 105023750), (23, 86758750), (25, 79818050), (26, 76748125), (38, 52511875), (46, 43379375), (50, 39909025), (65, 30699250), (95, 21004750), (115, 17351750), (125, 15963610), (130, 15349625), (190, 10502375), (230, 8675875), (247, 8078750), (250, 7981805), (281, 7101250), (299, 6673750), (325, 6139850), (437, 4566250), (475, 4200950), (494, 4039375), (562, 3550625), (575, 3470350), (598, 3336875), (625, 3192722), (650, 3069925), (874, 2283125), (950, 2100475), (1150, 1735175), (1235, 1615750), (1250, 1596361), (1405, 1420250), (1495, 1334750), (1625, 1227970), (2185, 913250), (2375, 840190), (2470, 807875), (2810, 710125), (2875, 694070), (2990, 667375), (3250, 613985), (3653, 546250), (4370, 456625), (4750, 420095), (5339, 373750), (5681, 351250), (5750, 347035), (6175, 323150), (6463, 308750), (7025, 284050), (7306, 273125), (7475, 266950), (8125, 245594), (10678, 186875), (10925, 182650), (11362, 175625), (11875, 168038), (12350, 161575), (12926, 154375), (14050, 142025), (14375, 138814), (14950, 133475), (16250, 122797), (18265, 109250), (21850, 91325), (23750, 84019), (26695, 74750), (28405, 70250), (28750, 69407), (30875, 64630), (32315, 61750), (35125, 56810), (36530, 54625), (37375, 53390)]