388757460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{5477}}^1$

素因数の和:5522

約数の個数: 144

約数和(自身を含む): 1347325056

約数和(自身を除く): 958567596

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 169, 182, 195, 210, 260, 273, 338, 364, 390, 420, 455, 507, 546, 676, 780, 845, 910, 1014, 1092, 1183, 1365, 1690, 1820, 2028, 2366, 2535, 2730, 3380, 3549, 4732, 5070, 5460, 5477, 5915, 7098, 10140, 10954, 11830, 14196, 16431, 17745, 21908, 23660, 27385, 32862, 35490, 38339, 54770, 65724, 70980, 71201, 76678, 82155, 109540, 115017, 142402, 153356, 164310, 191695, 213603, 230034, 284804, 328620, 356005, 383390, 427206, 460068, 498407, 575085, 712010, 766780, 854412, 925613, 996814, 1068015, 1150170, 1424020, 1495221, 1851226, 1993628, 2136030, 2300340, 2492035, 2776839, 2990442, 3702452, 4272060, 4628065, 4984070, 5553678, 5980884, 6479291, 7476105, 9256130, 9968140, 11107356, 12958582, 13884195, 14952210, 18512260, 19437873, 25917164, 27768390, 29904420, 32396455, 38875746, 55536780, 64792910, 77751492, 97189365, 129585820, 194378730, 388757460]

約数ペア:

[(1, 388757460), (2, 194378730), (3, 129585820), (4, 97189365), (5, 77751492), (6, 64792910), (7, 55536780), (10, 38875746), (12, 32396455), (13, 29904420), (14, 27768390), (15, 25917164), (20, 19437873), (21, 18512260), (26, 14952210), (28, 13884195), (30, 12958582), (35, 11107356), (39, 9968140), (42, 9256130), (52, 7476105), (60, 6479291), (65, 5980884), (70, 5553678), (78, 4984070), (84, 4628065), (91, 4272060), (105, 3702452), (130, 2990442), (140, 2776839), (156, 2492035), (169, 2300340), (182, 2136030), (195, 1993628), (210, 1851226), (260, 1495221), (273, 1424020), (338, 1150170), (364, 1068015), (390, 996814), (420, 925613), (455, 854412), (507, 766780), (546, 712010), (676, 575085), (780, 498407), (845, 460068), (910, 427206), (1014, 383390), (1092, 356005), (1183, 328620), (1365, 284804), (1690, 230034), (1820, 213603), (2028, 191695), (2366, 164310), (2535, 153356), (2730, 142402), (3380, 115017), (3549, 109540), (4732, 82155), (5070, 76678), (5460, 71201), (5477, 70980), (5915, 65724), (7098, 54770), (10140, 38339), (10954, 35490), (11830, 32862), (14196, 27385), (16431, 23660), (17745, 21908)]