1780822420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{617}}^1\times {\mathrm{653}}^1$

素因数の和:1309

約数の個数: 96

約数和(自身を含む): 4277756448

約数和(自身を除く): 2496934028

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 617, 653, 884, 1105, 1234, 1306, 2210, 2468, 2612, 3085, 3265, 4420, 6170, 6530, 8021, 8489, 10489, 11101, 12340, 13060, 16042, 16978, 20978, 22202, 32084, 33956, 40105, 41956, 42445, 44404, 52445, 55505, 80210, 84890, 104890, 111010, 136357, 144313, 160420, 169780, 209780, 222020, 272714, 288626, 402901, 545428, 577252, 681785, 721565, 805802, 1363570, 1443130, 1611604, 2014505, 2727140, 2886260, 4029010, 5237713, 6849317, 8058020, 10475426, 13698634, 20950852, 26188565, 27397268, 34246585, 52377130, 68493170, 89041121, 104754260, 136986340, 178082242, 356164484, 445205605, 890411210, 1780822420]

約数ペア:

[(1, 1780822420), (2, 890411210), (4, 445205605), (5, 356164484), (10, 178082242), (13, 136986340), (17, 104754260), (20, 89041121), (26, 68493170), (34, 52377130), (52, 34246585), (65, 27397268), (68, 26188565), (85, 20950852), (130, 13698634), (170, 10475426), (221, 8058020), (260, 6849317), (340, 5237713), (442, 4029010), (617, 2886260), (653, 2727140), (884, 2014505), (1105, 1611604), (1234, 1443130), (1306, 1363570), (2210, 805802), (2468, 721565), (2612, 681785), (3085, 577252), (3265, 545428), (4420, 402901), (6170, 288626), (6530, 272714), (8021, 222020), (8489, 209780), (10489, 169780), (11101, 160420), (12340, 144313), (13060, 136357), (16042, 111010), (16978, 104890), (20978, 84890), (22202, 80210), (32084, 55505), (33956, 52445), (40105, 44404), (41956, 42445)]