202421940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{2221}}^1$

素因数の和:2278

約数の個数: 144

約数和(自身を含む): 680891904

約数和(自身を除く): 478469964

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 49, 60, 62, 70, 84, 93, 98, 105, 124, 140, 147, 155, 186, 196, 210, 217, 245, 294, 310, 372, 420, 434, 465, 490, 588, 620, 651, 735, 868, 930, 980, 1085, 1302, 1470, 1519, 1860, 2170, 2221, 2604, 2940, 3038, 3255, 4340, 4442, 4557, 6076, 6510, 6663, 7595, 8884, 9114, 11105, 13020, 13326, 15190, 15547, 18228, 22210, 22785, 26652, 30380, 31094, 33315, 44420, 45570, 46641, 62188, 66630, 68851, 77735, 91140, 93282, 108829, 133260, 137702, 155470, 186564, 206553, 217658, 233205, 275404, 310940, 326487, 344255, 413106, 435316, 466410, 481957, 544145, 652974, 688510, 826212, 932820, 963914, 1032765, 1088290, 1305948, 1377020, 1445871, 1632435, 1927828, 2065530, 2176580, 2409785, 2891742, 3264870, 3373699, 4131060, 4819570, 5783484, 6529740, 6747398, 7229355, 9639140, 10121097, 13494796, 14458710, 16868495, 20242194, 28917420, 33736990, 40484388, 50605485, 67473980, 101210970, 202421940]

約数ペア:

[(1, 202421940), (2, 101210970), (3, 67473980), (4, 50605485), (5, 40484388), (6, 33736990), (7, 28917420), (10, 20242194), (12, 16868495), (14, 14458710), (15, 13494796), (20, 10121097), (21, 9639140), (28, 7229355), (30, 6747398), (31, 6529740), (35, 5783484), (42, 4819570), (49, 4131060), (60, 3373699), (62, 3264870), (70, 2891742), (84, 2409785), (93, 2176580), (98, 2065530), (105, 1927828), (124, 1632435), (140, 1445871), (147, 1377020), (155, 1305948), (186, 1088290), (196, 1032765), (210, 963914), (217, 932820), (245, 826212), (294, 688510), (310, 652974), (372, 544145), (420, 481957), (434, 466410), (465, 435316), (490, 413106), (588, 344255), (620, 326487), (651, 310940), (735, 275404), (868, 233205), (930, 217658), (980, 206553), (1085, 186564), (1302, 155470), (1470, 137702), (1519, 133260), (1860, 108829), (2170, 93282), (2221, 91140), (2604, 77735), (2940, 68851), (3038, 66630), (3255, 62188), (4340, 46641), (4442, 45570), (4557, 44420), (6076, 33315), (6510, 31094), (6663, 30380), (7595, 26652), (8884, 22785), (9114, 22210), (11105, 18228), (13020, 15547), (13326, 15190)]