447804920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{229}}^1$

素因数の和:373

約数の個数: 128

約数和(自身を含む): 1112832000

約数和(自身を除く): 665027080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 83, 95, 124, 152, 155, 166, 190, 229, 248, 310, 332, 380, 415, 458, 589, 620, 664, 760, 830, 916, 1145, 1178, 1240, 1577, 1660, 1832, 2290, 2356, 2573, 2945, 3154, 3320, 4351, 4580, 4712, 5146, 5890, 6308, 7099, 7885, 8702, 9160, 10292, 11780, 12616, 12865, 14198, 15770, 17404, 19007, 20584, 21755, 23560, 25730, 28396, 31540, 34808, 35495, 38014, 43510, 48887, 51460, 56792, 63080, 70990, 76028, 87020, 95035, 97774, 102920, 134881, 141980, 152056, 174040, 190070, 195548, 244435, 269762, 283960, 361133, 380140, 391096, 488870, 539524, 589217, 674405, 722266, 760280, 977740, 1079048, 1178434, 1348810, 1444532, 1805665, 1955480, 2356868, 2697620, 2889064, 2946085, 3611330, 4713736, 5395240, 5892170, 7222660, 11195123, 11784340, 14445320, 22390246, 23568680, 44780492, 55975615, 89560984, 111951230, 223902460, 447804920]

約数ペア:

[(1, 447804920), (2, 223902460), (4, 111951230), (5, 89560984), (8, 55975615), (10, 44780492), (19, 23568680), (20, 22390246), (31, 14445320), (38, 11784340), (40, 11195123), (62, 7222660), (76, 5892170), (83, 5395240), (95, 4713736), (124, 3611330), (152, 2946085), (155, 2889064), (166, 2697620), (190, 2356868), (229, 1955480), (248, 1805665), (310, 1444532), (332, 1348810), (380, 1178434), (415, 1079048), (458, 977740), (589, 760280), (620, 722266), (664, 674405), (760, 589217), (830, 539524), (916, 488870), (1145, 391096), (1178, 380140), (1240, 361133), (1577, 283960), (1660, 269762), (1832, 244435), (2290, 195548), (2356, 190070), (2573, 174040), (2945, 152056), (3154, 141980), (3320, 134881), (4351, 102920), (4580, 97774), (4712, 95035), (5146, 87020), (5890, 76028), (6308, 70990), (7099, 63080), (7885, 56792), (8702, 51460), (9160, 48887), (10292, 43510), (11780, 38014), (12616, 35495), (12865, 34808), (14198, 31540), (15770, 28396), (17404, 25730), (19007, 23560), (20584, 21755)]