1994403780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{11003}}^1$

素因数の和:11090

約数の個数: 144

約数和(自身を含む): 6488838720

約数和(自身を除く): 4494434940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 53, 57, 60, 76, 90, 95, 106, 114, 159, 171, 180, 190, 212, 228, 265, 285, 318, 342, 380, 477, 530, 570, 636, 684, 795, 855, 954, 1007, 1060, 1140, 1590, 1710, 1908, 2014, 2385, 3021, 3180, 3420, 4028, 4770, 5035, 6042, 9063, 9540, 10070, 11003, 12084, 15105, 18126, 20140, 22006, 30210, 33009, 36252, 44012, 45315, 55015, 60420, 66018, 90630, 99027, 110030, 132036, 165045, 181260, 198054, 209057, 220060, 330090, 396108, 418114, 495135, 583159, 627171, 660180, 836228, 990270, 1045285, 1166318, 1254342, 1749477, 1881513, 1980540, 2090570, 2332636, 2508684, 2915795, 3135855, 3498954, 3763026, 4181140, 5248431, 5831590, 6271710, 6997908, 7526052, 8747385, 9407565, 10496862, 11080021, 11663180, 12543420, 17494770, 18815130, 20993724, 22160042, 26242155, 33240063, 34989540, 37630260, 44320084, 52484310, 55400105, 66480126, 99720189, 104968620, 110800210, 132960252, 166200315, 199440378, 221600420, 332400630, 398880756, 498600945, 664801260, 997201890, 1994403780]

約数ペア:

[(1, 1994403780), (2, 997201890), (3, 664801260), (4, 498600945), (5, 398880756), (6, 332400630), (9, 221600420), (10, 199440378), (12, 166200315), (15, 132960252), (18, 110800210), (19, 104968620), (20, 99720189), (30, 66480126), (36, 55400105), (38, 52484310), (45, 44320084), (53, 37630260), (57, 34989540), (60, 33240063), (76, 26242155), (90, 22160042), (95, 20993724), (106, 18815130), (114, 17494770), (159, 12543420), (171, 11663180), (180, 11080021), (190, 10496862), (212, 9407565), (228, 8747385), (265, 7526052), (285, 6997908), (318, 6271710), (342, 5831590), (380, 5248431), (477, 4181140), (530, 3763026), (570, 3498954), (636, 3135855), (684, 2915795), (795, 2508684), (855, 2332636), (954, 2090570), (1007, 1980540), (1060, 1881513), (1140, 1749477), (1590, 1254342), (1710, 1166318), (1908, 1045285), (2014, 990270), (2385, 836228), (3021, 660180), (3180, 627171), (3420, 583159), (4028, 495135), (4770, 418114), (5035, 396108), (6042, 330090), (9063, 220060), (9540, 209057), (10070, 198054), (11003, 181260), (12084, 165045), (15105, 132036), (18126, 110030), (20140, 99027), (22006, 90630), (30210, 66018), (33009, 60420), (36252, 55015), (44012, 45315)]