12819348100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{2311}}^1$

素因数の和:2606

約数の個数: 144

約数和(自身を含む): 31860210816

約数和(自身を除く): 19040862716

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 25, 26, 34, 50, 52, 65, 68, 85, 100, 130, 170, 221, 251, 260, 325, 340, 425, 442, 502, 650, 850, 884, 1004, 1105, 1255, 1300, 1700, 2210, 2311, 2510, 3263, 4267, 4420, 4622, 5020, 5525, 6275, 6526, 8534, 9244, 11050, 11555, 12550, 13052, 16315, 17068, 21335, 22100, 23110, 25100, 30043, 32630, 39287, 42670, 46220, 55471, 57775, 60086, 65260, 78574, 81575, 85340, 106675, 110942, 115550, 120172, 150215, 157148, 163150, 196435, 213350, 221884, 231100, 277355, 300430, 326300, 392870, 426700, 510731, 554710, 580061, 600860, 751075, 785740, 982175, 1021462, 1109420, 1160122, 1386775, 1502150, 1964350, 2042924, 2320244, 2553655, 2773550, 2900305, 3004300, 3928700, 5107310, 5547100, 5800610, 7540793, 9861037, 10214620, 11601220, 12768275, 14501525, 15081586, 19722074, 25536550, 29003050, 30163172, 37703965, 39444148, 49305185, 51073100, 58006100, 75407930, 98610370, 128193481, 150815860, 188519825, 197220740, 246525925, 256386962, 377039650, 493051850, 512773924, 640967405, 754079300, 986103700, 1281934810, 2563869620, 3204837025, 6409674050, 12819348100]

約数ペア:

[(1, 12819348100), (2, 6409674050), (4, 3204837025), (5, 2563869620), (10, 1281934810), (13, 986103700), (17, 754079300), (20, 640967405), (25, 512773924), (26, 493051850), (34, 377039650), (50, 256386962), (52, 246525925), (65, 197220740), (68, 188519825), (85, 150815860), (100, 128193481), (130, 98610370), (170, 75407930), (221, 58006100), (251, 51073100), (260, 49305185), (325, 39444148), (340, 37703965), (425, 30163172), (442, 29003050), (502, 25536550), (650, 19722074), (850, 15081586), (884, 14501525), (1004, 12768275), (1105, 11601220), (1255, 10214620), (1300, 9861037), (1700, 7540793), (2210, 5800610), (2311, 5547100), (2510, 5107310), (3263, 3928700), (4267, 3004300), (4420, 2900305), (4622, 2773550), (5020, 2553655), (5525, 2320244), (6275, 2042924), (6526, 1964350), (8534, 1502150), (9244, 1386775), (11050, 1160122), (11555, 1109420), (12550, 1021462), (13052, 982175), (16315, 785740), (17068, 751075), (21335, 600860), (22100, 580061), (23110, 554710), (25100, 510731), (30043, 426700), (32630, 392870), (39287, 326300), (42670, 300430), (46220, 277355), (55471, 231100), (57775, 221884), (60086, 213350), (65260, 196435), (78574, 163150), (81575, 157148), (85340, 150215), (106675, 120172), (110942, 115550)]