2220249980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{353}}^1\times {\mathrm{1423}}^1$

素因数の和:1815

約数の個数: 96

約数和(自身を含む): 5335352064

約数和(自身を除く): 3115102084

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 353, 442, 706, 884, 1105, 1412, 1423, 1765, 2210, 2846, 3530, 4420, 4589, 5692, 6001, 7060, 7115, 9178, 12002, 14230, 18356, 18499, 22945, 24004, 24191, 28460, 30005, 36998, 45890, 48382, 60010, 73996, 78013, 91780, 92495, 96764, 120020, 120955, 156026, 184990, 241910, 312052, 314483, 369980, 390065, 483820, 502319, 628966, 780130, 1004638, 1257932, 1560260, 1572415, 2009276, 2511595, 3144830, 5023190, 6289660, 6530147, 8539423, 10046380, 13060294, 17078846, 26120588, 32650735, 34157692, 42697115, 65301470, 85394230, 111012499, 130602940, 170788460, 222024998, 444049996, 555062495, 1110124990, 2220249980]

約数ペア:

[(1, 2220249980), (2, 1110124990), (4, 555062495), (5, 444049996), (10, 222024998), (13, 170788460), (17, 130602940), (20, 111012499), (26, 85394230), (34, 65301470), (52, 42697115), (65, 34157692), (68, 32650735), (85, 26120588), (130, 17078846), (170, 13060294), (221, 10046380), (260, 8539423), (340, 6530147), (353, 6289660), (442, 5023190), (706, 3144830), (884, 2511595), (1105, 2009276), (1412, 1572415), (1423, 1560260), (1765, 1257932), (2210, 1004638), (2846, 780130), (3530, 628966), (4420, 502319), (4589, 483820), (5692, 390065), (6001, 369980), (7060, 314483), (7115, 312052), (9178, 241910), (12002, 184990), (14230, 156026), (18356, 120955), (18499, 120020), (22945, 96764), (24004, 92495), (24191, 91780), (28460, 78013), (30005, 73996), (36998, 60010), (45890, 48382)]