239818020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{7499}}^1$

素因数の和:7565

約数の個数: 96

約数和(自身を含む): 740880000

約数和(自身を除く): 501061980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 41, 52, 60, 65, 78, 82, 123, 130, 156, 164, 195, 205, 246, 260, 390, 410, 492, 533, 615, 780, 820, 1066, 1230, 1599, 2132, 2460, 2665, 3198, 5330, 6396, 7499, 7995, 10660, 14998, 15990, 22497, 29996, 31980, 37495, 44994, 74990, 89988, 97487, 112485, 149980, 194974, 224970, 292461, 307459, 389948, 449940, 487435, 584922, 614918, 922377, 974870, 1169844, 1229836, 1462305, 1537295, 1844754, 1949740, 2924610, 3074590, 3689508, 3996967, 4611885, 5849220, 6149180, 7993934, 9223770, 11990901, 15987868, 18447540, 19984835, 23981802, 39969670, 47963604, 59954505, 79939340, 119909010, 239818020]

約数ペア:

[(1, 239818020), (2, 119909010), (3, 79939340), (4, 59954505), (5, 47963604), (6, 39969670), (10, 23981802), (12, 19984835), (13, 18447540), (15, 15987868), (20, 11990901), (26, 9223770), (30, 7993934), (39, 6149180), (41, 5849220), (52, 4611885), (60, 3996967), (65, 3689508), (78, 3074590), (82, 2924610), (123, 1949740), (130, 1844754), (156, 1537295), (164, 1462305), (195, 1229836), (205, 1169844), (246, 974870), (260, 922377), (390, 614918), (410, 584922), (492, 487435), (533, 449940), (615, 389948), (780, 307459), (820, 292461), (1066, 224970), (1230, 194974), (1599, 149980), (2132, 112485), (2460, 97487), (2665, 89988), (3198, 74990), (5330, 44994), (6396, 37495), (7499, 31980), (7995, 29996), (10660, 22497), (14998, 15990)]