440000028

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{997}}^1$

素因数の和:1084

約数の個数: 144

約数和(自身を含む): 1281623616

約数和(自身を除く): 841623588

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 36, 39, 41, 46, 52, 69, 78, 82, 92, 117, 123, 138, 156, 164, 207, 234, 246, 276, 299, 369, 414, 468, 492, 533, 598, 738, 828, 897, 943, 997, 1066, 1196, 1476, 1599, 1794, 1886, 1994, 2132, 2691, 2829, 2991, 3198, 3588, 3772, 3988, 4797, 5382, 5658, 5982, 6396, 8487, 8973, 9594, 10764, 11316, 11964, 12259, 12961, 16974, 17946, 19188, 22931, 24518, 25922, 33948, 35892, 36777, 38883, 40877, 45862, 49036, 51844, 68793, 73554, 77766, 81754, 91724, 110331, 116649, 122631, 137586, 147108, 155532, 163508, 206379, 220662, 233298, 245262, 275172, 298103, 367893, 412758, 441324, 466596, 490524, 531401, 596206, 735786, 825516, 894309, 940171, 1062802, 1192412, 1471572, 1594203, 1788618, 1880342, 2125604, 2682927, 2820513, 3188406, 3577236, 3760684, 4782609, 5365854, 5641026, 6376812, 8461539, 9565218, 10731708, 11282052, 12222223, 16923078, 19130436, 24444446, 33846156, 36666669, 48888892, 73333338, 110000007, 146666676, 220000014, 440000028]

約数ペア:

[(1, 440000028), (2, 220000014), (3, 146666676), (4, 110000007), (6, 73333338), (9, 48888892), (12, 36666669), (13, 33846156), (18, 24444446), (23, 19130436), (26, 16923078), (36, 12222223), (39, 11282052), (41, 10731708), (46, 9565218), (52, 8461539), (69, 6376812), (78, 5641026), (82, 5365854), (92, 4782609), (117, 3760684), (123, 3577236), (138, 3188406), (156, 2820513), (164, 2682927), (207, 2125604), (234, 1880342), (246, 1788618), (276, 1594203), (299, 1471572), (369, 1192412), (414, 1062802), (468, 940171), (492, 894309), (533, 825516), (598, 735786), (738, 596206), (828, 531401), (897, 490524), (943, 466596), (997, 441324), (1066, 412758), (1196, 367893), (1476, 298103), (1599, 275172), (1794, 245262), (1886, 233298), (1994, 220662), (2132, 206379), (2691, 163508), (2829, 155532), (2991, 147108), (3198, 137586), (3588, 122631), (3772, 116649), (3988, 110331), (4797, 91724), (5382, 81754), (5658, 77766), (5982, 73554), (6396, 68793), (8487, 51844), (8973, 49036), (9594, 45862), (10764, 40877), (11316, 38883), (11964, 36777), (12259, 35892), (12961, 33948), (16974, 25922), (17946, 24518), (19188, 22931)]