164141380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{223}}^1$

素因数の和:413

約数の個数: 96

約数和(自身を含む): 395136000

約数和(自身を除く): 230994620

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 149, 190, 223, 247, 260, 298, 380, 446, 494, 596, 745, 892, 988, 1115, 1235, 1490, 1937, 2230, 2470, 2831, 2899, 2980, 3874, 4237, 4460, 4940, 5662, 5798, 7748, 8474, 9685, 11324, 11596, 14155, 14495, 16948, 19370, 21185, 28310, 28990, 33227, 36803, 38740, 42370, 55081, 56620, 57980, 66454, 73606, 84740, 110162, 132908, 147212, 166135, 184015, 220324, 275405, 332270, 368030, 431951, 550810, 631313, 664540, 736060, 863902, 1101620, 1262626, 1727804, 2159755, 2525252, 3156565, 4319510, 6313130, 8207069, 8639020, 12626260, 16414138, 32828276, 41035345, 82070690, 164141380]

約数ペア:

[(1, 164141380), (2, 82070690), (4, 41035345), (5, 32828276), (10, 16414138), (13, 12626260), (19, 8639020), (20, 8207069), (26, 6313130), (38, 4319510), (52, 3156565), (65, 2525252), (76, 2159755), (95, 1727804), (130, 1262626), (149, 1101620), (190, 863902), (223, 736060), (247, 664540), (260, 631313), (298, 550810), (380, 431951), (446, 368030), (494, 332270), (596, 275405), (745, 220324), (892, 184015), (988, 166135), (1115, 147212), (1235, 132908), (1490, 110162), (1937, 84740), (2230, 73606), (2470, 66454), (2831, 57980), (2899, 56620), (2980, 55081), (3874, 42370), (4237, 38740), (4460, 36803), (4940, 33227), (5662, 28990), (5798, 28310), (7748, 21185), (8474, 19370), (9685, 16948), (11324, 14495), (11596, 14155)]