247630420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{977}}^1$

素因数の和:1057

約数の個数: 96

約数和(自身を含む): 591494400

約数和(自身を除く): 343863980

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 29, 38, 46, 58, 76, 92, 95, 115, 116, 145, 190, 230, 290, 380, 437, 460, 551, 580, 667, 874, 977, 1102, 1334, 1748, 1954, 2185, 2204, 2668, 2755, 3335, 3908, 4370, 4885, 5510, 6670, 8740, 9770, 11020, 12673, 13340, 18563, 19540, 22471, 25346, 28333, 37126, 44942, 50692, 56666, 63365, 74252, 89884, 92815, 112355, 113332, 126730, 141665, 185630, 224710, 253460, 283330, 371260, 426949, 449420, 538327, 566660, 651659, 853898, 1076654, 1303318, 1707796, 2134745, 2153308, 2606636, 2691635, 3258295, 4269490, 5383270, 6516590, 8538980, 10766540, 12381521, 13033180, 24763042, 49526084, 61907605, 123815210, 247630420]

約数ペア:

[(1, 247630420), (2, 123815210), (4, 61907605), (5, 49526084), (10, 24763042), (19, 13033180), (20, 12381521), (23, 10766540), (29, 8538980), (38, 6516590), (46, 5383270), (58, 4269490), (76, 3258295), (92, 2691635), (95, 2606636), (115, 2153308), (116, 2134745), (145, 1707796), (190, 1303318), (230, 1076654), (290, 853898), (380, 651659), (437, 566660), (460, 538327), (551, 449420), (580, 426949), (667, 371260), (874, 283330), (977, 253460), (1102, 224710), (1334, 185630), (1748, 141665), (1954, 126730), (2185, 113332), (2204, 112355), (2668, 92815), (2755, 89884), (3335, 74252), (3908, 63365), (4370, 56666), (4885, 50692), (5510, 44942), (6670, 37126), (8740, 28333), (9770, 25346), (11020, 22471), (12673, 19540), (13340, 18563)]