77706580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1$

素因数の和:389

約数の個数: 96

約数和(自身を含む): 198696960

約数和(自身を除く): 120990380

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 131, 133, 140, 190, 223, 262, 266, 380, 446, 524, 532, 655, 665, 892, 917, 1115, 1310, 1330, 1561, 1834, 2230, 2489, 2620, 2660, 3122, 3668, 4237, 4460, 4585, 4978, 6244, 7805, 8474, 9170, 9956, 12445, 15610, 16948, 17423, 18340, 21185, 24890, 29213, 29659, 31220, 34846, 42370, 49780, 58426, 59318, 69692, 84740, 87115, 116852, 118636, 146065, 148295, 174230, 204491, 292130, 296590, 348460, 408982, 555047, 584260, 593180, 817964, 1022455, 1110094, 2044910, 2220188, 2775235, 3885329, 4089820, 5550470, 7770658, 11100940, 15541316, 19426645, 38853290, 77706580]

約数ペア:

[(1, 77706580), (2, 38853290), (4, 19426645), (5, 15541316), (7, 11100940), (10, 7770658), (14, 5550470), (19, 4089820), (20, 3885329), (28, 2775235), (35, 2220188), (38, 2044910), (70, 1110094), (76, 1022455), (95, 817964), (131, 593180), (133, 584260), (140, 555047), (190, 408982), (223, 348460), (262, 296590), (266, 292130), (380, 204491), (446, 174230), (524, 148295), (532, 146065), (655, 118636), (665, 116852), (892, 87115), (917, 84740), (1115, 69692), (1310, 59318), (1330, 58426), (1561, 49780), (1834, 42370), (2230, 34846), (2489, 31220), (2620, 29659), (2660, 29213), (3122, 24890), (3668, 21185), (4237, 18340), (4460, 17423), (4585, 16948), (4978, 15610), (6244, 12445), (7805, 9956), (8474, 9170)]