201651340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{103}}^1\times {\mathrm{809}}^1$

素因数の和:943

約数の個数: 72

約数和(自身を含む): 470564640

約数和(自身を除く): 268913300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 103, 110, 121, 206, 220, 242, 412, 484, 515, 605, 809, 1030, 1133, 1210, 1618, 2060, 2266, 2420, 3236, 4045, 4532, 5665, 8090, 8899, 11330, 12463, 16180, 17798, 22660, 24926, 35596, 44495, 49852, 62315, 83327, 88990, 97889, 124630, 166654, 177980, 195778, 249260, 333308, 391556, 416635, 489445, 833270, 916597, 978890, 1666540, 1833194, 1957780, 3666388, 4582985, 9165970, 10082567, 18331940, 20165134, 40330268, 50412835, 100825670, 201651340]

約数ペア:

[(1, 201651340), (2, 100825670), (4, 50412835), (5, 40330268), (10, 20165134), (11, 18331940), (20, 10082567), (22, 9165970), (44, 4582985), (55, 3666388), (103, 1957780), (110, 1833194), (121, 1666540), (206, 978890), (220, 916597), (242, 833270), (412, 489445), (484, 416635), (515, 391556), (605, 333308), (809, 249260), (1030, 195778), (1133, 177980), (1210, 166654), (1618, 124630), (2060, 97889), (2266, 88990), (2420, 83327), (3236, 62315), (4045, 49852), (4532, 44495), (5665, 35596), (8090, 24926), (8899, 22660), (11330, 17798), (12463, 16180)]