393365490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:408

約数の個数: 128

約数和(自身を含む): 1107025920

約数和(自身を除く): 713660430

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 79, 105, 131, 158, 181, 210, 237, 262, 362, 393, 395, 474, 543, 553, 655, 786, 790, 905, 917, 1086, 1106, 1185, 1267, 1310, 1659, 1810, 1834, 1965, 2370, 2534, 2715, 2751, 2765, 3318, 3801, 3930, 4585, 5430, 5502, 5530, 6335, 7602, 8295, 9170, 10349, 12670, 13755, 14299, 16590, 19005, 20698, 23711, 27510, 28598, 31047, 38010, 42897, 47422, 51745, 62094, 71133, 71495, 72443, 85794, 100093, 103490, 118555, 142266, 142990, 144886, 155235, 165977, 200186, 214485, 217329, 237110, 300279, 310470, 331954, 355665, 362215, 428970, 434658, 497931, 500465, 600558, 711330, 724430, 829885, 995862, 1000930, 1086645, 1501395, 1659770, 1873169, 2173290, 2489655, 3002790, 3746338, 4979310, 5619507, 9365845, 11239014, 13112183, 18731690, 26224366, 28097535, 39336549, 56195070, 65560915, 78673098, 131121830, 196682745, 393365490]

約数ペア:

[(1, 393365490), (2, 196682745), (3, 131121830), (5, 78673098), (6, 65560915), (7, 56195070), (10, 39336549), (14, 28097535), (15, 26224366), (21, 18731690), (30, 13112183), (35, 11239014), (42, 9365845), (70, 5619507), (79, 4979310), (105, 3746338), (131, 3002790), (158, 2489655), (181, 2173290), (210, 1873169), (237, 1659770), (262, 1501395), (362, 1086645), (393, 1000930), (395, 995862), (474, 829885), (543, 724430), (553, 711330), (655, 600558), (786, 500465), (790, 497931), (905, 434658), (917, 428970), (1086, 362215), (1106, 355665), (1185, 331954), (1267, 310470), (1310, 300279), (1659, 237110), (1810, 217329), (1834, 214485), (1965, 200186), (2370, 165977), (2534, 155235), (2715, 144886), (2751, 142990), (2765, 142266), (3318, 118555), (3801, 103490), (3930, 100093), (4585, 85794), (5430, 72443), (5502, 71495), (5530, 71133), (6335, 62094), (7602, 51745), (8295, 47422), (9170, 42897), (10349, 38010), (12670, 31047), (13755, 28598), (14299, 27510), (16590, 23711), (19005, 20698)]