18219819100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{373}}^1\times {\mathrm{2251}}^1$

素因数の和:2676

約数の個数: 144

約数和(自身を含む): 46788560896

約数和(自身を除く): 28568741796

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 50, 62, 70, 100, 124, 140, 155, 175, 217, 310, 350, 373, 434, 620, 700, 746, 775, 868, 1085, 1492, 1550, 1865, 2170, 2251, 2611, 3100, 3730, 4340, 4502, 5222, 5425, 7460, 9004, 9325, 10444, 10850, 11255, 11563, 13055, 15757, 18650, 21700, 22510, 23126, 26110, 31514, 37300, 45020, 46252, 52220, 56275, 57815, 63028, 65275, 69781, 78785, 80941, 112550, 115630, 130550, 139562, 157570, 161882, 225100, 231260, 261100, 279124, 289075, 315140, 323764, 348905, 393925, 404705, 488467, 578150, 697810, 787850, 809410, 839623, 976934, 1156300, 1395620, 1575700, 1618820, 1679246, 1744525, 1953868, 2023525, 2442335, 3358492, 3489050, 4047050, 4198115, 4884670, 5877361, 6978100, 8094100, 8396230, 9769340, 11754722, 12211675, 16792460, 20990575, 23509444, 24423350, 26028313, 29386805, 41981150, 48846700, 52056626, 58773610, 83962300, 104113252, 117547220, 130141565, 146934025, 182198191, 260283130, 293868050, 364396382, 520566260, 587736100, 650707825, 728792764, 910990955, 1301415650, 1821981910, 2602831300, 3643963820, 4554954775, 9109909550, 18219819100]

約数ペア:

[(1, 18219819100), (2, 9109909550), (4, 4554954775), (5, 3643963820), (7, 2602831300), (10, 1821981910), (14, 1301415650), (20, 910990955), (25, 728792764), (28, 650707825), (31, 587736100), (35, 520566260), (50, 364396382), (62, 293868050), (70, 260283130), (100, 182198191), (124, 146934025), (140, 130141565), (155, 117547220), (175, 104113252), (217, 83962300), (310, 58773610), (350, 52056626), (373, 48846700), (434, 41981150), (620, 29386805), (700, 26028313), (746, 24423350), (775, 23509444), (868, 20990575), (1085, 16792460), (1492, 12211675), (1550, 11754722), (1865, 9769340), (2170, 8396230), (2251, 8094100), (2611, 6978100), (3100, 5877361), (3730, 4884670), (4340, 4198115), (4502, 4047050), (5222, 3489050), (5425, 3358492), (7460, 2442335), (9004, 2023525), (9325, 1953868), (10444, 1744525), (10850, 1679246), (11255, 1618820), (11563, 1575700), (13055, 1395620), (15757, 1156300), (18650, 976934), (21700, 839623), (22510, 809410), (23126, 787850), (26110, 697810), (31514, 578150), (37300, 488467), (45020, 404705), (46252, 393925), (52220, 348905), (56275, 323764), (57815, 315140), (63028, 289075), (65275, 279124), (69781, 261100), (78785, 231260), (80941, 225100), (112550, 161882), (115630, 157570), (130550, 139562)]