30423940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^2$

素因数の和:169

約数の個数: 72

約数和(自身を含む): 71386560

約数和(自身を除く): 40962620

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 59, 76, 92, 95, 115, 118, 190, 230, 236, 295, 380, 437, 460, 590, 874, 1121, 1180, 1357, 1748, 2185, 2242, 2714, 3481, 4370, 4484, 5428, 5605, 6785, 6962, 8740, 11210, 13570, 13924, 17405, 22420, 25783, 27140, 34810, 51566, 66139, 69620, 80063, 103132, 128915, 132278, 160126, 257830, 264556, 320252, 330695, 400315, 515660, 661390, 800630, 1322780, 1521197, 1601260, 3042394, 6084788, 7605985, 15211970, 30423940]

約数ペア:

[(1, 30423940), (2, 15211970), (4, 7605985), (5, 6084788), (10, 3042394), (19, 1601260), (20, 1521197), (23, 1322780), (38, 800630), (46, 661390), (59, 515660), (76, 400315), (92, 330695), (95, 320252), (115, 264556), (118, 257830), (190, 160126), (230, 132278), (236, 128915), (295, 103132), (380, 80063), (437, 69620), (460, 66139), (590, 51566), (874, 34810), (1121, 27140), (1180, 25783), (1357, 22420), (1748, 17405), (2185, 13924), (2242, 13570), (2714, 11210), (3481, 8740), (4370, 6962), (4484, 6785), (5428, 5605)]