78238420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1$

素因数の和:641

約数の個数: 96

約数和(自身を含む): 193729536

約数和(自身を除く): 115491116

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 31, 34, 52, 62, 65, 68, 85, 124, 130, 155, 170, 221, 260, 310, 340, 403, 442, 527, 571, 620, 806, 884, 1054, 1105, 1142, 1612, 2015, 2108, 2210, 2284, 2635, 2855, 4030, 4420, 5270, 5710, 6851, 7423, 8060, 9707, 10540, 11420, 13702, 14846, 17701, 19414, 27404, 29692, 34255, 35402, 37115, 38828, 48535, 68510, 70804, 74230, 88505, 97070, 126191, 137020, 148460, 177010, 194140, 230113, 252382, 300917, 354020, 460226, 504764, 601834, 630955, 920452, 1150565, 1203668, 1261910, 1504585, 2301130, 2523820, 3009170, 3911921, 4602260, 6018340, 7823842, 15647684, 19559605, 39119210, 78238420]

約数ペア:

[(1, 78238420), (2, 39119210), (4, 19559605), (5, 15647684), (10, 7823842), (13, 6018340), (17, 4602260), (20, 3911921), (26, 3009170), (31, 2523820), (34, 2301130), (52, 1504585), (62, 1261910), (65, 1203668), (68, 1150565), (85, 920452), (124, 630955), (130, 601834), (155, 504764), (170, 460226), (221, 354020), (260, 300917), (310, 252382), (340, 230113), (403, 194140), (442, 177010), (527, 148460), (571, 137020), (620, 126191), (806, 97070), (884, 88505), (1054, 74230), (1105, 70804), (1142, 68510), (1612, 48535), (2015, 38828), (2108, 37115), (2210, 35402), (2284, 34255), (2635, 29692), (2855, 27404), (4030, 19414), (4420, 17701), (5270, 14846), (5710, 13702), (6851, 11420), (7423, 10540), (8060, 9707)]