28726100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1163}}^1$

素因数の和:1209

約数の個数: 72

約数和(自身を含む): 70724640

約数和(自身を除く): 41998540

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 130, 190, 247, 260, 325, 380, 475, 494, 650, 950, 988, 1163, 1235, 1300, 1900, 2326, 2470, 4652, 4940, 5815, 6175, 11630, 12350, 15119, 22097, 23260, 24700, 29075, 30238, 44194, 58150, 60476, 75595, 88388, 110485, 116300, 151190, 220970, 287261, 302380, 377975, 441940, 552425, 574522, 755950, 1104850, 1149044, 1436305, 1511900, 2209700, 2872610, 5745220, 7181525, 14363050, 28726100]

約数ペア:

[(1, 28726100), (2, 14363050), (4, 7181525), (5, 5745220), (10, 2872610), (13, 2209700), (19, 1511900), (20, 1436305), (25, 1149044), (26, 1104850), (38, 755950), (50, 574522), (52, 552425), (65, 441940), (76, 377975), (95, 302380), (100, 287261), (130, 220970), (190, 151190), (247, 116300), (260, 110485), (325, 88388), (380, 75595), (475, 60476), (494, 58150), (650, 44194), (950, 30238), (988, 29075), (1163, 24700), (1235, 23260), (1300, 22097), (1900, 15119), (2326, 12350), (2470, 11630), (4652, 6175), (4940, 5815)]